Nutrient Cycling in Agroecosystems · 2020 · 54 citations · 48 references
AgricultureAgronomySoil SciencesPlant NutritionSoil FertilitySoil ScienceCrop NutritionNitrogen ManagementNutrient AvailabilityPlant-soil Nutrient InteractionsSoil Nutrient AvailabilitySoil-plant Nutrient RelationsNitrogen Effects On BiomassNitrogen Effects On YieldNitrogen Fertilization EffectsNitrogen Fertilizer ManagementPlant-available NitrogenSoil Nitrogen DynamicsSoil Nutrient Status AssessmentTropical Soils
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Methods of soil analysis. Part 3 - chemical methods.
Donald L. Sparks, A. L. Page, Philip A. Helmke et al. · 1996 · 8.6K citations
C. W. Thornthwaite · 1955 · 1.6K citations